Path Calculator
Analyze microwave propagation between two points
Link Summary · 10 GHz
Distance
63 mi (101 km)
Bearing
145.8°
Terrain
BLOCKED
Propagation
67/100
GOOD
HRRR Data
9 / 9 points
Loss Budget · 10 GHz
FSPL (free-space)
152.5
dB
Gaseous (O₂+H₂O)
0.7
dB
Diffraction loss
96.0
dB
TOTAL PATH LOSS
249.2
dB
Gas rate: 0.0070 dB/km
H₂O: 0.0000 dB/km/g ·
O₂: 0.0070 dB/km
Abs humidity avg: 6.6 g/m³
Power Budget
TX Power
20.0
dBm
(100.0 mW)
TX Ant Gain
30.0
dBi
Feed Loss (×2)
-2.0
dB
EIRP
48.0
dBm
Path Loss (w/FF)
-249.2
dB
RX Ant Gain
30.0
dBi
RX Power
-171.2
dBm
Sensitivity (CW)
-141.0
dBm
MARGIN
-31.2
dB
Path Weather Avg
Temperature
81.0°F
27.2°C
Dewpoint
42.4°F
5.8°C
T/Td Gap
38.6°F
Abs Humidity
6.6 g/m³
Pressure
985.9 mb
PWAT
14.6 mm
BL Depth
2242.3 m
Refrac Gradient
0 N/km
Propagation Factors · 10 GHz
Rain
100
Pressure
82
PWAT
75
Humidity
70
Season
68
T-Td Depression
55
Refractivity
50
Sky Cover
50
Wind
50
Time of Day
18
Atmospheric Profile
HRRR (3 km) Valid 2026-05-03 22:00 UTC 9 path samples| Point | Lat, Lon | Temp | Dewpt | Press | HPBL | PWAT | Ns | dN/dh |
|---|---|---|---|---|---|---|---|---|
| Source | 33.9, -97.1 | 28.1°C | 6.1°C | 988.9 mb | 2325.9 m | 15.5 mm | ||
| 13% | 33.8, -97.0 | 27.5°C | 6.2°C | 990.1 mb | 2254.5 m | 13.7 mm | ||
| 25% | 33.8, -96.9 | 26.8°C | 5.9°C | 988.8 mb | 2150.5 m | 13.7 mm | ||
| 38% | 33.7, -96.8 | 27.0°C | 3.4°C | 987.4 mb | 2047.6 m | 10.7 mm | ||
| Midpoint | 33.6, -96.8 | 27.1°C | 3.9°C | 988.8 mb | 2165.4 m | 11.8 mm | ||
| 63% | 33.5, -96.7 | 27.2°C | 5.6°C | 985.9 mb | 2253.9 m | 15.2 mm | ||
| 75% | 33.4, -96.6 | 27.9°C | 5.9°C | 991.5 mb | 2357.6 m | 15.8 mm | ||
| 88% | 33.3, -96.5 | 26.8°C | 7.4°C | 994.0 mb | 2312.6 m | 17.4 mm | ||
| Destination | 33.2, -96.5 | 26.8°C | 7.4°C | 994.0 mb | 2312.6 m | 17.4 mm |
Midpoint vertical profile
17-Hour Propagation Forecast · 10 GHz
→ Steady
Best:
81
at 10:00 UTC
Worst:
72
at 00:00 UTC